EP4254617A4 - End cap assembly, battery cell, battery, and electric device - Google Patents

End cap assembly, battery cell, battery, and electric device Download PDF

Info

Publication number
EP4254617A4
EP4254617A4 EP21959190.6A EP21959190A EP4254617A4 EP 4254617 A4 EP4254617 A4 EP 4254617A4 EP 21959190 A EP21959190 A EP 21959190A EP 4254617 A4 EP4254617 A4 EP 4254617A4
Authority
EP
European Patent Office
Prior art keywords
battery
end cap
electric device
cap assembly
battery cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21959190.6A
Other languages
German (de)
French (fr)
Other versions
EP4254617A1 (en
Inventor
Wenlin Zhou
Liangfan XU
Ningsheng WU
Quankun Li
Peng Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Hong Kong Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Publication of EP4254617A1 publication Critical patent/EP4254617A1/en
Publication of EP4254617A4 publication Critical patent/EP4254617A4/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • H01M50/155Lids or covers characterised by the material
    • H01M50/164Lids or covers characterised by the material having a layered structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/342Non-re-sealable arrangements
    • H01M50/3425Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/35Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
    • H01M50/367Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/471Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof
    • H01M50/474Spacing elements inside cells other than separators, membranes or diaphragms; Manufacturing processes thereof characterised by their position inside the cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00Safety devices for primary or secondary batteries
    • H01M2200/20Pressure-sensitive devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/102Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/147Lids or covers
    • H01M50/148Lids or covers characterised by their shape
    • H01M50/15Lids or covers characterised by their shape for prismatic or rectangular cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)
EP21959190.6A 2021-09-28 2021-12-31 End cap assembly, battery cell, battery, and electric device Pending EP4254617A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202122366644.0U CN215988966U (en) 2021-09-28 2021-09-28 End cover assembly, battery monomer, battery and power consumption device
PCT/CN2021/143554 WO2023050631A1 (en) 2021-09-28 2021-12-31 End cap assembly, battery cell, battery, and electric device

Publications (2)

Publication Number Publication Date
EP4254617A1 EP4254617A1 (en) 2023-10-04
EP4254617A4 true EP4254617A4 (en) 2024-09-25

Family

ID=80571511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21959190.6A Pending EP4254617A4 (en) 2021-09-28 2021-12-31 End cap assembly, battery cell, battery, and electric device

Country Status (4)

Country Link
US (1) US20230261312A1 (en)
EP (1) EP4254617A4 (en)
CN (2) CN215988966U (en)
WO (1) WO2023050631A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4398386A4 (en) * 2022-03-25 2025-07-30 Contemporary Amperex Technology Hong Kong Ltd BATTERY CELL, BATTERY, ELECTRICAL DEVICE AND METHOD AND DEVICE FOR PRODUCING A BATTERY
EP4300693A4 (en) * 2022-05-16 2025-01-01 Contemporary Amperex Technology (Hong Kong) Limited END CAP, BATTERY CELL, BATTERY AND ELECTRICAL DEVICE
WO2024000150A1 (en) * 2022-06-28 2024-01-04 宁德时代新能源科技股份有限公司 End cap assembly, battery cell, and electric device
WO2024026825A1 (en) * 2022-08-05 2024-02-08 宁德时代新能源科技股份有限公司 Battery cell, battery and electrical apparatus
CN115832604B (en) * 2022-08-12 2026-03-03 江苏时代新能源科技有限公司 Battery monomer, battery and electric equipment
WO2024040530A1 (en) * 2022-08-25 2024-02-29 宁德时代新能源科技股份有限公司 Battery cell, battery and electric device
CN115995642B (en) * 2023-02-09 2023-06-13 深圳海润新能源科技有限公司 End cover assembly, energy storage device and electric equipment
CN116345057B (en) * 2023-05-26 2023-09-22 宁德时代新能源科技股份有限公司 Battery cells, batteries and electrical devices
DE212024000375U1 (en) * 2023-06-28 2026-04-09 Svolt Energy Technology Co., Ltd. Battery and battery pack
KR20250090904A (en) * 2023-12-13 2025-06-20 에스케이온 주식회사 Secondary battery with side insulator
WO2025236187A1 (en) * 2024-05-14 2025-11-20 宁德时代新能源科技股份有限公司 Battery cell, battery, and electrical device
WO2026025298A1 (en) * 2024-07-30 2026-02-05 宁德时代新能源科技股份有限公司 Battery cell, battery apparatus, and electric device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015106490A (en) * 2013-11-29 2015-06-08 三菱自動車工業株式会社 Secondary battery with safety valve
EP3021379A1 (en) * 2014-11-11 2016-05-18 Dongguan Amperex Technology Limited Lithium ion battery and lithium ion battery pack
US20190237728A1 (en) * 2016-06-29 2019-08-01 Sanyo Electric Co., Ltd. Secondary battery

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2505987Y (en) * 2001-06-05 2002-08-14 南亚塑胶工业股份有限公司 Improved safety protection structure against explosion of cylinder type lihtium ion battery
CN108598326B (en) * 2018-06-11 2023-11-28 超威电源集团有限公司 Lithium ion battery and battery pack
CN213601965U (en) * 2020-07-10 2021-07-02 宁德时代新能源科技股份有限公司 Batteries, electrical devices and devices for producing batteries
CN111933833B (en) * 2020-09-21 2021-01-01 江苏时代新能源科技有限公司 End cover assembly, battery monomer, battery and power consumption device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015106490A (en) * 2013-11-29 2015-06-08 三菱自動車工業株式会社 Secondary battery with safety valve
EP3021379A1 (en) * 2014-11-11 2016-05-18 Dongguan Amperex Technology Limited Lithium ion battery and lithium ion battery pack
US20190237728A1 (en) * 2016-06-29 2019-08-01 Sanyo Electric Co., Ltd. Secondary battery

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023050631A1 *

Also Published As

Publication number Publication date
EP4254617A1 (en) 2023-10-04
CN116569393A (en) 2023-08-08
CN215988966U (en) 2022-03-08
US20230261312A1 (en) 2023-08-17
WO2023050631A1 (en) 2023-04-06

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Effective date: 20240827

RIC1 Information provided on ipc code assigned before grant

Ipc: H01M 50/342 20210101ALI20240821BHEP

Ipc: H01M 50/164 20210101ALI20240821BHEP

Ipc: H01M 50/367 20210101ALI20240821BHEP

Ipc: H01M 50/147 20210101AFI20240821BHEP

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CONTEMPORARY AMPEREX TECHNOLOGY(HONG KONG) LIMITED

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